2270399 has 4 divisors (see below), whose sum is σ = 2369136. Its totient is φ = 2171664.

The previous prime is 2270393. The next prime is 2270407. The reversal of 2270399 is 9930722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9930722 = 2 ⋅4965361.

It is a cyclic number.

It is not a de Polignac number, because 2270399 - 2⁴ = 2270383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49334 + ... + 49379.

It is an arithmetic number, because the mean of its divisors is an integer number (592284).

2^2270399 is an apocalyptic number.

2270399 is a deficient number, since it is larger than the sum of its proper divisors (98737).

2270399 is an equidigital number, since it uses as much as digits as its factorization.

2270399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98736.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 2270399 is about 1506.7843243145. The cubic root of 2270399 is about 131.4318826805.

The spelling of 2270399 in words is "two million, two hundred seventy thousand, three hundred ninety-nine".